For many years there seemed to be a single reliable solution to keep info on a laptop – having a disk drive (HDD). Then again, this sort of technology is currently showing it’s age – hard disks are really noisy and sluggish; they are power–ravenous and tend to create a lot of warmth for the duration of intensive operations.
SSD drives, on the contrary, are really fast, take in way less energy and are much cooler. They furnish an exciting new strategy to file accessibility and data storage and are years in advance of HDDs relating to file read/write speed, I/O performance and then power capability. Find out how HDDs fare up against the more recent SSD drives.
1. Access Time
A result of a radical new solution to disk drive functionality, SSD drives make it possible for considerably quicker data accessibility speeds. With an SSD, data accessibility times are much lower (just 0.1 millisecond).
HDD drives count on spinning disks for files storage applications. Each time a file will be used, you will need to wait for the right disk to reach the correct place for the laser to view the file you want. This ends in a common access speed of 5 to 8 milliseconds.
2. Random I/O Performance
Because of the same radical technique that enables for a lot faster access times, you too can get pleasure from far better I/O effectiveness with SSD drives. They can perform twice as many functions within a given time when compared with an HDD drive.
An SSD can manage at least 6000 IO’s per second.
Over the same lab tests, the HDD drives proved to be considerably slower, with simply 400 IO operations managed per second. While this seems to be a large amount, for people with an overloaded web server that hosts plenty of famous sites, a slow disk drive can cause slow–loading websites.
The absence of moving parts and spinning disks inside SSD drives, and the latest advances in electrical interface technology have resulted in a substantially better data file storage device, having an typical failure rate of 0.5%.
For the HDD drive to work, it should rotate a couple metal disks at more than 7200 rpm, retaining them magnetically stable in mid–air. There is a wide range of moving components, motors, magnets and also other devices crammed in a tiny space. Therefore it’s no wonder that the average rate of failing associated with an HDD drive varies somewhere between 2% and 5%.
4. Energy Conservation
SSD drives function practically noiselessly; they don’t generate surplus heat; they don’t mandate additional chilling alternatives as well as take in less energy.
Lab tests have shown that the typical power consumption of an SSD drive is between 2 and 5 watts.
HDD drives are famous for staying loud. They want further power for cooling down purposes. Within a web server that has a number of HDDs running constantly, you’ll need a large amount of fans to ensure they are cooler – this makes them a lot less energy–efficient than SSD drives.
HDDs take in somewhere between 6 and 15 watts.
5. CPU Power
SSD drives provide for faster file access speeds, which, subsequently, encourage the processor to perform data file requests considerably faster and to return to different jobs.
The normal I/O wait for SSD drives is exactly 1%.
When you use an HDD, you need to invest extra time anticipating the outcomes of your data call. Because of this the CPU will be idle for more time, waiting around for the HDD to respond.
The regular I/O delay for HDD drives is around 7%.
6.Input/Output Request Times
It’s about time for several real–world instances. We produced an entire system backup on a server using only SSDs for data storage reasons. In that operation, the average service time for an I/O demand remained below 20 ms.
With the same web server, yet this time equipped with HDDs, the end results were totally different. The normal service time for any I/O query fluctuated in between 400 and 500 ms.
7. Backup Rates
You are able to experience the real–world advantages of utilizing SSD drives day by day. For instance, with a hosting server with SSD drives, a full back up is going to take simply 6 hours.
Through the years, we’ve employed primarily HDD drives on our web servers and we are knowledgeable of their efficiency. On a server pre–loaded with HDD drives, a complete hosting server back up will take about 20 to 24 hours.
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